Day Use
NoBathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Capabilities
Private onsen bath in guest rooms, for overnight guests only
Only specific rooms (Satsuki 301, Yamabuki 303) have an onsen bath in the room; other rooms have standard baths. One 2026 review reported a room booked as 'onsen room' having only a small unit bath, kept the site's statement as it names specific rooms.
Shared bathing area for all genders
Policies & Services
Welcomes children and families
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
About
Mutsumikan is a traditional ryokan in Gero Onsen, a short walk from Gero Station. Men's and women's baths each have an indoor bath and an open-air rotenburo, filled with the town's alkaline spring water: smooth on the skin, faintly scented with sulfur, with greenery visible through large windows. All 18 guest rooms are done in a simple, traditional Japanese style.
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Last updated August 5, 2026